Assessment of Hg in Holothuria (Mertensiothuria) leucospilota (Brandt, 1835) from Karachi coasts, Pakistan

Quratulan Ahmed; Levent Bat

doi:10.18016/ksutarimdoga.vi.715683

TR EN

Pakistan Karachi sahillerinden Holothuria (Mertensiothuria) leucospilota türünde (Brandt, 1835) Hg değerlendirmesi

Öz

Bu çalışmanın amacı, Karachi kıyısında seçilen iki bölgede sediment, yüzey deniz suyu ve Holothuria leucospilota kasları ve derisindeki cıva seviyelerini belirlemektir. Örnekler iki mevsim güney-batı musonu (Ağustos-Eylül) ve kuzey-doğu musonu (Aralık-Ocak) boyunca toplanmıştır. Sediment içindeki Hg konsantrasyonları kuru ağırlık olarak 0,0012 ila 0,0023 mg kg-1 ve yüzey suyunda 0,00018 ila 0,00034 (µg l-1) arasında değişirken, kara deniz hıyarının kas ve derisinde ise LOD değerleri 0,0034 - 0,0046 mg kg-1 arasında değişmektedir. Üstelik, Hg deri dokusunda en yüksek birikim oranını, kuzeydoğu musonunda Buleji'de 2 ile Sunehri'de 2,69 arasında değişen BSAF değerleri ile gösterilmiştir. Kara deniz hıyarı kaslarındaki BSAF değerleri, Buleji'de güneybatı musonda 1,44 ile Sunehri'nde kuzeydoğu musonda 1,63 arasında değişmektedir. Kara deniz hıyarının derisinde BSAF değeri 2'den yüksek olduğu için makro-yoğunlaştırıcı olarak değerlendirilmiştir. Bununla birlikte, BSAF değeri kasta 1 ile 2 arasında değiştiğinden, mikro-yoğunlaştırıcı olarak belirlenmiştir. Karachi kıyılarının Buleji ve Sunehri bölgelerindeki kara deniz hıyarlarında Hg, her iki örnekleme mevsimi boyunca biyo-birikime sahip olduğu görülmüştür (BCF> 5000).

Anahtar Kelimeler

Cıva,Holothuria leucospilota,Karachi,Pakistan,Arap Denizi

References

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Details

Primary Language

English

Subjects

Agricultural, Veterinary and Food Sciences

Journal Section

Research Article

Authors

Quratulan Ahmed
0000-0002-7597-2483
Pakistan

Levent Bat ^*
0000-0002-2289-6691
Türkiye

Publication Date

December 31, 2020

Submission Date

April 7, 2020

Acceptance Date

May 21, 2020

Published in Issue

Year 1970 Volume: 23 Number: 6

DOI

https://doi.org/10.18016/ksutarimdoga.vi.715683

IZ

https://izlik.org/JA97UA58XK

Cite

RIS / Bibtex

APA

Ahmed, Q., & Bat, L. (2020). Assessment of Hg in Holothuria (Mertensiothuria) leucospilota (Brandt, 1835) from Karachi coasts, Pakistan. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 23(6), 1561-1568. https://doi.org/10.18016/ksutarimdoga.vi.715683

Microplastic Contamination of Holothuria (Thymiosycia) arenicola Semper, 1868, Holothuria pardalis Selenka, 1867, Sediments and Seawater From Karachi Coast, Northern Arabian Sea, Pakistan

Marine Science and Technology Bulletin

https://doi.org/10.33714/masteb.1641715

Assessment of Hg in Holothuria (Mertensiothuria) leucospilota (Brandt, 1835) from Karachi coasts, Pakistan

Pakistan Karachi sahillerinden Holothuria (Mertensiothuria) leucospilota türünde (Brandt, 1835) Hg değerlendirmesi

Öz

Anahtar Kelimeler